iQFFT

Library "iQFFT"
TODO: add library description here

fft(x, y, dir)
  Parameters:
    x (array<float>)
    y (array<float>)
    dir (string)

fftPower(x, y)
  Parameters:
    x (array<float>)
    y (array<float>)

fftFreq(N)
  Parameters:
    N (int)